WordPress plugin
Single Mailchimp security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Single Mailchimp vulnerabilities
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Single Mailchimp: common questions
Does Single Mailchimp have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Single Mailchimp: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Single Mailchimp I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Single Mailchimp vulnerability?
CVE-2026-8868, published May 26, 2026: Single Mailchimp <= 1.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes. Severity: Medium (CVSS 6.4).
Is any Single Mailchimp vulnerability listed in CISA KEV?
No. None of the known Single Mailchimp vulnerabilities is currently listed in the CISA KEV catalog.